查询词典 condensation

P-π conjugated polyamic acid was synthesized by the poly-condensation of benzoguanamine and pyromellitic dianhydride under microwave irradiation. Then PAA was grafted with different side-chain containing azobenzol groups through azo coupling reaction.

选取苯代三聚氰胺和均苯四酸二酐为单体进行微波辐射溶液聚合反应，所得的聚酰胺酸与对位取代基不同的苯胺重氮盐偶合接枝，从而合成了一系列新的具有三阶非线性光学活性的侧链型聚合物。

A novel epoxy resin was obtained through the condensation reaction of the azomethine and epichlorohydrin in NaOH solution.

通过对羟基苯甲醛双缩对苯二胺席夫碱与环氧氯丙烷在NaOH液中缩合，合成一种新型环氧树脂。

Schiff base mainly refers to contain amine or azomethine of the group of a class of organic compounds, usually Schiff base by the amine and condensation from carbonyl activity.

席夫碱主要是指含有亚胺或甲亚胺特性基团的一类有机化合物，通常席夫碱是由胺和活性羰基缩合而成。

Keywords: azonium; imidazolium; selective synthesis; anion recognition; benzoin condensation

中文关键词：氮鎓；咪唑鎓；选择性合成；阴离子识别；苯偶姻缩合

The Knoevenagel condensation reactions between aromatic and α,β-unsaturated aromatic aldehydes with barbituric acid can effectively be performed in ionic liquid without additional acid or base catalyst, it is a simple efficient method for the synthesis of benzylidene barbituric acids, which have been widely used in pharmaceutical chemistry as well as in organic synthesis.

芳醛、α，β-不饱和芳醛和巴比妥酸间的Knoevenagel缩合反应能在离子液体中没有酸碱催化剂的条件下顺利进行，是合成在药物化学和有机合成中有广泛用途的苯亚甲基巴比妥酸类化合物的简单有效的方法。

Were synthesized by Knoevenagel condensation between substituted-3-formylchromone and barbituric acid or thiobarbituric acid in solid phase without solvent and catalyst.

在无溶剂无催化剂条件下，取代-3-甲酰色酮与巴比妥酸通过固相 Knoevenagel缩合反应合成了一系列5-(取代色酮基-3-亚甲基)巴比妥酸，收率68。

Were synthesized by Knoevenagel condensation between substituted-3-formylchromone and barbituric acid or thiobarbituric acid in solid phase without solvent and catalyst.

在无溶剂无催化剂条件下，取代-3-甲酰色酮与巴比妥酸通过固相 Knoevenagel 缩合反应合成了一系列5-(取代色酮基-3-亚甲基)巴比妥酸，收率68.0%~85.5%，其结构经1H NMR确证。

The diamine monomer, 2-(4-aminophenyl)benzo(1,3)oxazol-5-amine, was synthesized by condensation reaction.

117膜，而且PWA的引入并没有改善复合膜的电池性能。

The experiments also show that adding NaHSO3 into the reaction liquid of hydroxylation reaction can inhibit the catalytic effect of benzoquinone and residual catalyst on the phenolic tars formation caused by oxo-condensation of the diphenols and therefore reduce the tars formation of the diphenols in the reaction solution.

在羟基化反应液中加入亚硫酸氢钠可以抑制对苯醌和残留催化剂对苯二酚氧化缩合生成焦油的催化作用，从而减少了反应液中苯二酚的生焦反应。

Title compounds were synthesized by condensation of 3 benzylidene isochroman 4 one with 5 substituted 4 amino 3 mercap to 4 1,2,4 triazoles.

通过异色满酮－4的3－位苯亚甲基取代衍生物与4－氨基－3－巯基－1，2，4－三唑的缩合反应得异色满并［3，4－f］硫氮杂奥。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。